Charging cabinet capable of adapting to different models of miner lamps

The invention discloses a charging cabinet capable of adapting to different models of mine lamps, and relates to the technical field of charging cabinets, and the main points of the technical scheme are that the charging cabinet comprises a DC-DC circuit, a switching circuit, a voltage and current sampling circuit, a voltage comparator circuit, an output current limiting circuit, and a single-chip microcomputer control circuit; the detection principle comprises the following steps: S1, controlling the output voltage of an IC1 circuit to be 4.3 V by software, opening MOS transistors Q3, Q4 and Q20, and activating a rechargeable battery; s2, Vb voltage is detected through an output voltage sampling circuit, the type of the battery is judged, and if the result is not determined, the following steps are continued; s3, closing the Q20 MOS tube, controlling the output voltage of the IC1 circuit to be 7.5 V by software, and opening the Q3 MOS tube and the Q4 MOS tube; and S4, detecting the level Vid through an outpu